diff --git a/tools/jfjoch_process.cpp b/tools/jfjoch_process.cpp
index 4e012710..f6725a5e 100644
--- a/tools/jfjoch_process.cpp
+++ b/tools/jfjoch_process.cpp
@@ -453,7 +453,6 @@ int main(int argc, char **argv) {
                 if (!hkl_file) {
                     logger.Error("Cannot open {} for writing", hkl_path);
                 } else {
-                    hkl_file << "# h  k  l  I  sigma\n";
                     for (const auto &r: scale_result->merged) {
                         hkl_file << r.h << " " << r.k << " " << r.l << " "
                                 << r.I << " " << r.sigma << "\n";